Trolley grate surface foreign matter detecting device of sintering machine

Abstract

The invention relates to a trolley grate surface foreign matter detecting device of a sintering machine. The detecting device is arranged on a return rail obtained after a trolley on the fourth floor of the sintering machine carries out discharging. The detecting device comprises a first tensioning supporting arm, a second tensioning supporting arm and a rope motion detecting device. The first tensioning supporting arm and the second tensioning supporting arm are arranged on the two sides of the trolley respectively, and the rope motion detecting device comprises a roller, a detecting rope, a limit switch and a check block; the detecting rope is wound around the roller; and one end of the detecting rope is connected with a weight, and the other end of the detecting rope penetrates the first tensioning supporting arm and the second tensioning supporting arm to be tensioned. The tensioned detecting rope is parallel to a trolley grate surface, and in the running process of the trolley, the detecting rope shrinks after colliding with foreign matter so as to drive the roller to rotate, and the limit switch operates. A foreign mater signal is transmitted to a central control chamber to give an alarm through a signal cable. The device effectively solves the problems that the trolley grate surface is bonded with large lump ore, and consequently, a grate-layer material swings, a chute is turned over in a jacking manner, and a ventilation stick device is pulled to be damaged, the accidental shutdown frequency of the sintering machine is reduced, and stable direct motion of the sintering machine is ensured

Description

technical field [0001] The invention relates to the technical field of metallurgical sintering, in particular to a sintering machine, in particular to a detection device for foreign matter on the surface of a sintering machine trolley. Background technique [0002] Baosteel's sintering machine adopts a belt-type draft sintering machine, and the trolley is the key equipment of the sintering machine. In actual production, from the grate side of the trolley upwards, there are base material (sintered ore with moderate size) and mixed material (fine material crushed). Due to changes in working conditions and improper production and firing control, etc. The phenomenon of over-burning of the material layer occurs, the bottoming material and the mixed material layer on the grate bar melt and agglomerate, and large pieces of red ore stick to the grate bar surface, such as figure 1 shown; [0003] When the trolley bonded with large pieces of red ore returns to the machine head from ...

AI Technical Summary

Problems solved by technology

[0011] The object of the present invention is to provide a foreign object detection device on the grate surface of the sintering machine trolley, which is used to realize the online detection of foreign objects on the grate surface of the trolley, and solve the problem that the bottom material swing chute is blocked due to the sticking of large ore on the grate surface of the trolley. The problem of overturning and the damage of the ventilation rod device

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